Your system supports up to two –(48–60) V DC
power supply units (PSUs).
Input requirements
NOTE: For equipment using
–(48–60) V DC power supply units (PSUs), a qualified electrician must
perform all connections to DC power and to safety grounds. Do not
attempt connecting to DC power or installing grounds yourself. All
electrical wiring must comply with applicable local or national codes
and practices. Damage due to servicing that is not authorized by Dell
is not covered by your warranty. Read and follow all safety instructions
that came with the product.
CAUTION: Wire
the unit with copper only, unless otherwise specified, use only 10
American Wire Gauge (AWG) wire rated minimum 90 ºC for source and
return. Protect the –(48–60) V DC (1 wire) with a branch circuit over-current
protection rated 50 A for DC with a high interrupt current rating.
CAUTION: Connect the equipment to a –(48–60) V DC supply source that is electrically
isolated from the AC source (reliably grounded –(48–60) V DC SELV
source). Ensure that the –(48–60) V DC source is efficiently secured
to earth (ground).
NOTE: A readily accessible
disconnect device that is suitably approved and rated shall be incorporated
in the field wiring.
Supply voltage: –(48–60) V DC
Current consumption: 32 A (maximum)
Kit contents
Dell part number 6RYJ9 terminal block or equivalent (1)
#6-32 nut equipped with lock washer (1)
Required tools
Wire-stripper pliers capable of removing insulation
from size 10 AWG solid or stranded, insulated copper wire
NOTE: Use alpha wire part
number 3080 or equivalent (65/30 stranding)
Required wires
One UL 10 AWG, 2 m maximum (stranded) black wire [–(48–60)
V DC]
One UL 10 AWG, 2 m maximum (stranded) red wire (V
DC return)
One UL 10 AWG, 2 m maximum green/yellow, green with
a yellow stripe, stranded wire (safety ground)
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